CERTIFICATE OF ANALYSIS
Product Name POTASSIUM METABISULPHITE AR CAS Number 16731-55-8
Molecular Formula K 2 S 2 O 5 Catalogue No. AL3738
Molecular Weight 222.31 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Assay
Chloride (Cl )
Lead (Pb)
Copper (Cu)
Zinc (Zn)
Iron (Fe)
Cadmium (Cd)
White crystalline powder
(Min.) 96.0%
<0.005%
<0.005%
<0.005%
<0.005%
<0.005%
<0.005%
White crystalline powder
96.54%
<0.005%
<0.005%
0.004%
<0.005%
0.004%
<0.005%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane